Finding the Fourth Proportional to 163,472.70, 228,336.90 and 163,472.70
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Solution
The fourth proportional to 163,472.70, 228,336.90 and 163,472.70 is: 228,336.90
Step by Step Solution
- Step 1: Write the proportion equation
163,472.70 : 228,336.90 = 163,472.70 : x - Step 2: Convert to fraction form
163,472.70/228,336.90 = 163,472.70/x - Step 3: Cross multiply
163,472.70x = 228,336.90 × 163,472.70 - Step 4: Simplify right side
163,472.70x = 37,326,849,552.63 - Step 5: Solve for x
x = 37,326,849,552.63/163,472.70 - Step 6: Final answer
x = 228,336.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.